Home / 54,771.33-75,583.89-30,905.76

Finding the Fourth Proportional to 54,771.33, 75,583.89 and 30,905.76

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Solution

The fourth proportional to 54,771.33, 75,583.89 and 30,905.76 is: 42,649.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,771.33 : 75,583.89 = 30,905.76 : x
  2. Step 2: Convert to fraction form
    54,771.33/75,583.89 = 30,905.76/x
  3. Step 3: Cross multiply
    54,771.33x = 75,583.89 × 30,905.76
  4. Step 4: Simplify right side
    54,771.33x = 2,335,977,564.21
  5. Step 5: Solve for x
    x = 2,335,977,564.21/54,771.33
  6. Step 6: Final answer
    x = 42,649.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.